MS Windows Version History

Workstations Operating Systems

1. Windows 1.01  on  November 1985

2. 1.03     Released on  8/86   

3. 1.04     Released on 4/87

4.  2.03    Released on 11/87   

5. 2.10    Released on 5/27/88

6. 2.11    Released on 3/13/89   

7.  3.0     Released on 5/22/90   

8. 3.00a   Released on 10/31/90  

9. 3.00a   Released on 1991   

10. 3.10   Released on 4/6/92    

11. 3.11   Released on 12/31/93   

12. 3 OS/2

13.  NT 3.x

14. Windows 95

15. Windows NT 4.0

16. Windows 95

17. Windows NT 4.0

18. Windows 98

19. Windows 2000

20. Windows Millennium Edition (Me)

21. Windows XP Released on 2002

      Both 32 bit and 64 bit editions

       (Service Pack 1, 2 and 3 released subsequently)

        

22. Windows Vista 

     Both 32 bit and 64 bit editions

    (Service Pack 1 and service pack 2)

       

23. Windows 7 (Service Pack 1)

       Both 32 bit and 64 bit editions

24. Windows 8 (Released developer version)

       Both 32 bit and 64 bit editions

Server Operating systems

1. Windows NT 4.0

2. Windows 2000

3. Windows Server 2003

4. Windows Server 2003 R2

5. Windows Home Server

6. Windows Server 2008

7. Windows Server 2008 R2

8. Windows Home Server 2011

9. Windows Server 2012 

Comments, suggestions and questions are always welcome.